FLAC3D System Requirements

System Requirements

  • Operating System:
    • Windows 8.1 or later (with the latest service packs installed)*
    • Linux: Ubuntu 20.04.6 LTS (Focal Fossa)
    Linux: Ubuntu 20.04.6 LTS (Focal Fossa)
  • Processor:
    • Intel Core i7 CPU (3 GHz) or better
    • 64-bit Intel or AMD processor (Not Apple)
  • Hard Disk: 500 GB
  • Memory (RAM): 16 GB
  • Video Card: HD graphics card (1920 x 1080 pixels), OpenGL 3.3 or higher
  • Ports: 1 USB port is required for the security key for Desktop and Network licenses (Web licenses are also available)

Recommended System

  • Operating System:
    • Windows 10 Pro or later (with the latest service packs installed)*
    • Linux: Ubuntu 20.04.6 LTS (Focal Fossa)
    • Will install and run on Windows 11
  • Processor:
    • Intel Core i9 CPU (3 GHz) or better
    • 64-bit Intel or AMD processor (Not Apple)
  • Hard Disk: 1 TB
  • Memory (RAM): 64 GB
  • Video Card: 4k graphics card (3840 x 2160 pixels), OpenGL 3.3 or higher
  • Ports: 1 USB port is required for the security key for Desktop and Network licenses (Web licenses are also available)


Itasca Software v9 has been tested on Windows 11 and all programs were successfully installed and run.

*Please read our full OS Policy.

Software Downloads

FLAC3D Releases

FLAC3D Legacy Releases


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Upcoming Events
9 Jun
Venez nous rencontrer à ISFOG 2025!
Meet us at the 5th International Symposium on Frontiers in Offshore Geotechnics (ISFOG 2025) that will be held in Nantes - France.... Read More
16 Jun
IMAT Training: Revolutionizing Mining Analysis with Seismology & Numerical Modeling
Hands-on learning with IMAT’s latest upgrade enhances mine modeling and seismology, uniting open-pit and underground mining capabilitie... Read More
28 May
Analyses of Embankment Dams and Slopes using FLAC2D/3D
This course will lead participants in using FLAC2D and FLAC3D to conduct complex analyses of embankment dams and slopes. The training i... Read More